CO₂FoxCO₂Fox – The Open Carbon Footprint AI
CO₂Fox is a free AI tool that provides clear, trustworthy carbon estimates for activities, decisions, and data of all kinds.
Ask the foxWhy use CO₂Fox?
No expertise needed
Just write what you did. Examples: “I flew to Madrid” or “We ordered 2 tons of steel.”
Just write what you did. Examples: “I flew to Madrid” or “We ordered 2 tons of steel.”
Clear and traceable results
Every estimate comes with a source and explanation.
Every estimate comes with a source and explanation.
Free to use and transparent
Free to use, openly accessible, with clear and traceable results.
Free to use, openly accessible, with clear and traceable results.
Real emission factors
Uses official databases like ADEME and DEFRA for calculations.
Uses official databases like ADEME and DEFRA for calculations.
Who is it for?
Individuals
Curious about your carbon impact? Try it for personal travel, purchases, and more.
Curious about your carbon impact? Try it for personal travel, purchases, and more.
NGOs & grassroots orgs
Get a quick and reliable carbon estimate for your activities, projects, or field work.
Get a quick and reliable carbon estimate for your activities, projects, or field work.
Educators & students
Use it in climate education, science projects, or university challenges.
Use it in climate education, science projects, or university challenges.
Community projects
Understand the footprint of shared spaces, events, or campaigns.
Understand the footprint of shared spaces, events, or campaigns.
Local governments
Get a quick view of emissions from policies or public initiatives.
Get a quick view of emissions from policies or public initiatives.